Inspec keywords: frequency control; power system stability; hydroelectric power stations; power generation control; delays; frequency stability

Other keywords: automatic generation control loop; random communication delays; modern power systems; IEEE 39-bus system; controller gain; real-time simulator; Western System Coordinating Council 3-machine, 9-bus power system; multiarea system; meta-heuristic methods; time delay; secondary frequency regulation; PSFS; auxiliary signal; system instability; single area hydropower system; Matlab-Simulink simulations; modified secondary controller; large communication delays; open channel communication; power system frequency stabiliser

Subjects: Control of electric power systems; Frequency control; Power system control; Hydroelectric power stations and plants